Carbon Monoxide Headquarters
Other Nasty gases, Dr. D. Penney

Nitric Oxide

Uses, Cautions, Symptoms, Exposure Limits:

  • Uses - manufacture of nitric acid, bleaching of rayon

  • Symptoms - Irritation of the eyes, nose, throat; drowsiness, unconsciousness. Inhalation may result in delayed pulmonary edema

  • Conversion - In air becomes highly poisonous Nitrogen Dioxide . Respiratory protection and adequate ventilation must be used.

  • Exposure Limits - ACGIH TLV: TWA = 25 ppm. OSHA PEL: TWA = 25 ppm

    ACGIH = American Conference of Governmental Industrial Hygienists
    OSHA = U.S. Occupational Safety and Health Administration
    TWA = time weighted average
    STEL = short-term exposure limit
    TLV = threshold limit value
    PEL = permissible exposure level

    ...... last changed 05/22/00

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